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328-acre lake in Sudbury District, Ontario. The lake tops out around 26 ft. The depth data here comes from the Ontario MNRF survey of 1980 (a transect sounding survey). The rest of this page walks each species through its year, using the map's own scoring.
Traced from the shoreline, McGrindle Lake runs 329 acres with 10.6 miles of edge, with 6 islands in the mix. A development index of 4.2 means a maze of bays and points: far more casting targets than a round bowl of the same size. The shallow band under 15 ft claims about 94% of the surface — that's where the groceries are. End to end it runs roughly 2.3 mi, about 0.8 mi across. The water lies in Sudbury District. For a second option, Venetian Lake lies 3 mi northwest.
Early season yellow perch use the shallows, holding in 3 to 12 ft. Expect a summer slide to 8 to 26 ft, then a winter hold in 8 to 26 ft. Put Deep basin first on the milk run — a deep basin near 26 ft that grades prime for fall. In summer the feeding windows fall in early morning. Tie on a drop-shot micro plastics or a small spoon tipped with worm and you're in the game.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 3 to 12 ft | midday & dawn | Shallow bay flat (2 ft) | Small jig + curly tail, Perch-pattern micro crank |
| Summer | 8 to 26 ft | dawn | Deep basin (26 ft) | Drop-shot micro plastics, Small spoon tipped with worm |
| Fall | 8 to 26 ft | midday | Deep basin (26 ft) | Jigging spoon (small), Perch rig / spreader |
| Winter | 8 to 26 ft | midday & dawn | Deep basin (26 ft) | Tungsten jig + spikes, Rattle spoon (small) |
In spring, northern pike run shallow here, mostly 2 to 8 ft. Summer pushes them deeper, 8 to 20 ft, and winter fish settle into 5 to 15 ft. Shallow bay flat is the standout, a weed flat at roughly 2 ft, rated prime for spring northern pike. Time it for early morning and the evening. You won't need more than a bucktail or a weedless spoon over cabbage most summer days.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 2 to 8 ft | midday & dawn | Shallow bay flat (2 ft) | #5 inline spinner, Spoon (red/white) |
| Summer | 8 to 20 ft | dawn & dusk | Shallow feeding flat (19 ft) | Bucktail, Weedless spoon over cabbage |
| Fall | 6 to 18 ft | midday & dawn | Shallow feeding flat (19 ft) | Big rubber (Bull Dawg style), Husky-style jerkbait |
| Winter | 5 to 15 ft | midday | Shallow bay flat (2 ft) | Tip-ups, Large jigging spoon |
The spring pattern is a shallow one: burbot in 8 to 26 ft. The depth story barely changes: 8 to 26 ft through summer, 7 to 26 ft in winter. Top water on the chart: Deep basin, a deep basin in the 26 ft range, prime in spring. Time it for after dark and midday. Summer baits: a heavy jig + cut bait gets it done.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 8 to 26 ft | night & dusk | Deep basin (26 ft) | Glow jigging spoon + cut bait, Rattle bait (dark) |
| Summer | 8 to 26 ft | night & midday | Deep basin (26 ft) | Heavy jig + cut bait |
| Fall | 8 to 26 ft | night & dusk | Deep basin (26 ft) | Glow spoon + minnow head, Blade bait (slow) |
| Winter | 7 to 26 ft | night & dusk | Deep basin (26 ft) | Glow tungsten + cut bait, Rattle spoon + minnow head |
Count 7 structure marks on this chart. The deepest, Deep basin, sits near 26 ft.
Season dates, license requirements, and size and bag limits for Ontario waters are set by the Ontario fishing regulations (FMZ summary) — and special regulations can apply to McGrindle Lake specifically, so confirm the current rules before you fish.
Check the official Ontario fishing regulations →
McGrindle Lake is about 26 ft (8 m) deep at its deepest point. The depth data here comes from the Ontario MNRF survey of 1980 (a transect sounding survey).
Anglers target yellow perch, northern pike, burbot on McGrindle Lake.
Deep basin is the top-rated area: a deep basin in about 26 ft of water that rates prime for yellow perch in fall. The interactive chart above rates every spot for each species and season.
For yellow perch, the summer bite is best in early morning. Each species page section below lists the seasonal windows, and the map shows a live NOW badge when you're inside one.
Fishing on McGrindle Lake is regulated by the Ontario fishing regulations (FMZ summary). Check the official Ontario regulations for current license requirements, season dates, and size and bag limits — special regulations can apply to this specific water.
Venetian Lake 3 mi · Osbourne Lake 3 mi · Sandfly Lake 6 mi · South Lake 6 mi · Michaud Lake 6 mi · Mule Lake 6 mi · Bigwood Lake 7 mi · Sandcherry Lake 7 mi · Ayotte Lake 7 mi · Kawawia Lake 7 mi · Friday Lake 8 mi · Ironside Lake 8 mi
See how McGrindle Lake stacks up: best northern pike lakes in Ontario · best yellow perch lakes in Ontario · best burbot lakes in Ontario
More water nearby: Sudbury District fishing maps (868 charts). Browse all Ontario fishing maps or see every water on DepthScout. Bathymetry credit: state fisheries survey programs. How we build these maps. Fish here with a sonar unit that logs? Send us your depth data and we'll improve this chart, credited to you. For fishing guidance only, never navigation.